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The City of Spokane selected McMillen Jacobs for construction and preventative services on the Upriver Hydroelectric Dam, located in Spokane, WA. Due to the challenging subsurface materials and initial difficulty in accessing the area, the contractor selected Crux Subsurface to provide specialty geotechnical drilling services. Crux’s scope includes drilling and installing 27 eighteen-foot deep drains to […]

Crux is providing challenging access exploratory drilling services at the Wanapum Dam in central Washington. A crack was discovered on February 27, 2014 and the geotechnical exploration program is intended to provide more information regarding the extent of this crack. Six borings have been completed to-date, and Crux crews expect to drill a minimum of […]

Crux crews are onsite near Whiteriver, AZ to complete core drilling and sampling at the proposed Miner Flat dam site. Thirteen angled core holes and a total of approximately 3,365 feet of drilling will be completed. Access to borings is being achieved through a combination of track vehicle and helicopter, and core recovery in the […]

Barnard Construction Company, Inc. has selected Crux to participate in the construction phase of the Blue Lake Hydroelectric Expansion Project. Crux provided difficult-access core drilling during the exploration phase of the project in 2009, and will return next month to commence construction activities. The existing Blue Lake Project is located approximately 5 miles east of […]

A geotechnical investigation of the Flower Creek Dam was initiated after a recent inspection report called the structure’s integrity into question. Crux provided drilling and sampling services on the project, obtaining concrete core samples on the downstream face of the dam. 17 six-inch diameter core samples were obtained in total, ranging in depth from 14 […]